A comparative study of methods for diagnosis of obesity in an urban mixed-race population in Minas Gerais, Brazil.

Background: Obesity is defined as an excess of total body fat and may be assessed by different methods. The objective of the present study was to establish the discriminatory power of anthropometric data in determining obesity.

Methods: The subjects comprised 685 individuals, aged 20-79 years, sampled from a population-based survey.

Nutritional risk in the urban population of Ouro Preto, southeastern region of Brazil: the Ouro Preto heart study.

Objective: To estimate the prevalence of combined nutritional risk according to sociodemographic and sedentarism characteristics of the urban population of Ouro Preto, state of Minas Gerais, Brazil.

Methods: This cross-sectional study was conducted with a probability sampling of 768 subjects aged 15 years or older. Nutritional risk (NR) was defined according to the BMI and WC classification criteria adopted by the National Institutes of Health.